1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2/*
3 * The contents of this file are subject to the Mozilla Public
4 * License Version 1.1 (the "License"); you may not use this file
5 * except in compliance with the License. You may obtain a copy of
6 * the License at http://www.mozilla.org/MPL/
7 *
8 * Software distributed under the License is distributed on an "AS
9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
10 * implied. See the License for the specific language governing
11 * rights and limitations under the License.
12 *
13 * The Original Code is the Netscape Portable Runtime (NSPR).
14 *
15 * The Initial Developer of the Original Code is Netscape
16 * Communications Corporation.  Portions created by Netscape are
17 * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
18 * Rights Reserved.
19 *
20 * Contributor(s):
21 *
22 * Alternatively, the contents of this file may be used under the
23 * terms of the GNU General Public License Version 2 or later (the
24 * "GPL"), in which case the provisions of the GPL are applicable
25 * instead of those above.  If you wish to allow use of your
26 * version of this file only under the terms of the GPL and not to
27 * allow others to use your version of this file under the MPL,
28 * indicate your decision by deleting the provisions above and
29 * replace them with the notice and other provisions required by
30 * the GPL.  If you do not delete the provisions above, a recipient
31 * may use your version of this file under either the MPL or the
32 * GPL.
33 */
34
35#ifndef nspr_xhppa_defs_h___
36#define nspr_xhppa_defs_h___
37
38/*
39 * Internal configuration macros
40 */
41
42#define PR_LINKER_ARCH    "hpux"
43#define _PR_SI_SYSNAME   "HPUX"
44#define _PR_SI_ARCHITECTURE "hppa1.1"
45#define PR_DLL_SUFFIX        ".sl"
46
47#define _PR_VMBASE        0x30000000
48#define _PR_STACK_VMBASE    0x50000000
49/*
50 * _USE_BIG_FDS increases the size of fd_set from 256 bytes to
51 * about 7500 bytes.  PR_Poll allocates three fd_sets on the
52 * stack, so it is safer to also increase the default thread
53 * stack size.
54 */
55#define _MD_DEFAULT_STACK_SIZE    (2*65536L)
56#define _MD_MINIMUM_STACK_SIZE    (2*65536L)
57#define _MD_MMAP_FLAGS          MAP_PRIVATE
58
59#define NEED_TIME_R
60
61#define HAVE_STACK_GROWING_UP
62#undef	HAVE_WEAK_IO_SYMBOLS
63#undef	HAVE_WEAK_MALLOC_SYMBOLS
64#define	HAVE_DLL
65#ifdef IS_64
66#define USE_DLFCN
67#else
68#define USE_HPSHL
69#endif
70#ifndef HAVE_STRERROR
71#define HAVE_STRERROR
72#endif
73#define _PR_POLL_AVAILABLE
74#define _PR_USE_POLL
75#define _PR_STAT_HAS_ONLY_ST_ATIME
76#define _PR_HAVE_POSIX_SEMAPHORES
77#define PR_HAVE_POSIX_NAMED_SHARED_MEMORY
78#define _PR_ACCEPT_INHERIT_NONBLOCK
79
80#undef _PR_HAVE_ATOMIC_OPS
81
82#ifdef _PR_INET6
83#define _PR_HAVE_INET_NTOP
84#define _PR_HAVE_GETIPNODEBYNAME
85#define _PR_HAVE_GETIPNODEBYADDR
86#define _PR_HAVE_GETADDRINFO
87#define _PR_INET6_PROBE
88#endif
89
90#if !defined(_PR_PTHREADS)
91
92#include <syscall.h>
93#include <setjmp.h>
94
95#define USE_SETJMP
96
97#define _MD_GET_SP(_t) (*((int *)((_t)->md.jb) + 1))
98#define PR_NUM_GCREGS _JBLEN
99/* Caveat: This makes jmp_buf full of doubles. */
100#define CONTEXT(_th) ((_th)->md.jb)
101
102    /* Stack needs two frames (64 bytes) at the bottom */ \
103#define _MD_SET_THR_SP(_t, _sp)     ((_MD_GET_SP(_t)) = (int) (_sp + 64 *2))
104#define SAVE_CONTEXT(_th)           _setjmp(CONTEXT(_th))
105#define GOTO_CONTEXT(_th)           _longjmp(CONTEXT(_th), 1)
106
107#if !defined(PTHREADS_USER)
108
109#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
110{ \
111    *(status) = PR_TRUE; \
112    if (_setjmp(CONTEXT(_thread))) (*_main)(); \
113    /* Stack needs two frames (64 bytes) at the bottom */ \
114    (_MD_GET_SP(_thread)) = (int) ((_sp) + 64*2); \
115}
116
117#define _MD_SWITCH_CONTEXT(_thread) \
118    if (!_setjmp(CONTEXT(_thread))) { \
119    (_thread)->md.errcode = errno; \
120    _PR_Schedule(); \
121    }
122
123/*
124** Restore a thread context, saved by _MD_SWITCH_CONTEXT
125*/
126#define _MD_RESTORE_CONTEXT(_thread) \
127{ \
128    errno = (_thread)->md.errcode; \
129    _MD_SET_CURRENT_THREAD(_thread); \
130    _longjmp(CONTEXT(_thread), 1); \
131}
132
133/* Machine-dependent (MD) data structures.  HP-UX has no native threads. */
134
135struct _MDThread {
136    jmp_buf jb;
137    int id;
138    int errcode;
139};
140
141struct _MDThreadStack {
142    PRInt8 notused;
143};
144
145struct _MDLock {
146    PRInt8 notused;
147};
148
149struct _MDSemaphore {
150    PRInt8 notused;
151};
152
153struct _MDCVar {
154    PRInt8 notused;
155};
156
157struct _MDSegment {
158    PRInt8 notused;
159};
160
161/*
162 * md-specific cpu structure field
163 */
164#define _PR_MD_MAX_OSFD FD_SETSIZE
165
166struct _MDCPU_Unix {
167    PRCList ioQ;
168    PRUint32 ioq_timeout;
169    PRInt32 ioq_max_osfd;
170    PRInt32 ioq_osfd_cnt;
171#ifndef _PR_USE_POLL
172    fd_set fd_read_set, fd_write_set, fd_exception_set;
173    PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
174				fd_exception_cnt[_PR_MD_MAX_OSFD];
175#else
176	struct pollfd *ioq_pollfds;
177	int ioq_pollfds_size;
178#endif	/* _PR_USE_POLL */
179};
180
181#define _PR_IOQ(_cpu)			((_cpu)->md.md_unix.ioQ)
182#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
183#define _PR_FD_READ_SET(_cpu)		((_cpu)->md.md_unix.fd_read_set)
184#define _PR_FD_READ_CNT(_cpu)		((_cpu)->md.md_unix.fd_read_cnt)
185#define _PR_FD_WRITE_SET(_cpu)		((_cpu)->md.md_unix.fd_write_set)
186#define _PR_FD_WRITE_CNT(_cpu)		((_cpu)->md.md_unix.fd_write_cnt)
187#define _PR_FD_EXCEPTION_SET(_cpu)	((_cpu)->md.md_unix.fd_exception_set)
188#define _PR_FD_EXCEPTION_CNT(_cpu)	((_cpu)->md.md_unix.fd_exception_cnt)
189#define _PR_IOQ_TIMEOUT(_cpu)		((_cpu)->md.md_unix.ioq_timeout)
190#define _PR_IOQ_MAX_OSFD(_cpu)		((_cpu)->md.md_unix.ioq_max_osfd)
191#define _PR_IOQ_OSFD_CNT(_cpu)		((_cpu)->md.md_unix.ioq_osfd_cnt)
192#define _PR_IOQ_POLLFDS(_cpu)		((_cpu)->md.md_unix.ioq_pollfds)
193#define _PR_IOQ_POLLFDS_SIZE(_cpu)	((_cpu)->md.md_unix.ioq_pollfds_size)
194
195#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu)	32
196
197struct _MDCPU {
198    struct _MDCPU_Unix md_unix;
199};
200
201#define _MD_INIT_LOCKS()
202#define _MD_NEW_LOCK(lock) PR_SUCCESS
203#define _MD_FREE_LOCK(lock)
204#define _MD_LOCK(lock)
205#define _MD_UNLOCK(lock)
206#define _MD_INIT_IO()
207#define _MD_IOQ_LOCK()
208#define _MD_IOQ_UNLOCK()
209
210#define _MD_INIT_RUNNING_CPU(cpu)       _MD_unix_init_running_cpu(cpu)
211#define _MD_INIT_THREAD                 _MD_InitializeThread
212#define _MD_EXIT_THREAD(thread)
213#define _MD_SUSPEND_THREAD(thread)      _MD_suspend_thread
214#define _MD_RESUME_THREAD(thread)       _MD_resume_thread
215#define _MD_CLEAN_THREAD(_thread)
216
217#else /* PTHREADS_USER	*/
218
219#include "_nspr_pthread.h"
220
221#endif /* PTHREADS_USER	*/
222
223#endif  /* !defined(_PR_PTHREADS) */
224
225#if !defined(PTHREADS_USER)
226#define _MD_EARLY_INIT                 	_MD_EarlyInit
227#define _MD_FINAL_INIT					_PR_UnixInit
228#endif
229
230#if defined(HPUX_LW_TIMER)
231extern void _PR_HPUX_LW_IntervalInit(void);
232extern PRIntervalTime _PR_HPUX_LW_GetInterval(void);
233#define _MD_INTERVAL_INIT                 _PR_HPUX_LW_IntervalInit
234#define _MD_GET_INTERVAL                  _PR_HPUX_LW_GetInterval
235#define _MD_INTERVAL_PER_SEC()            1000
236#else
237#define _MD_GET_INTERVAL                  _PR_UNIX_GetInterval
238#define _MD_INTERVAL_PER_SEC              _PR_UNIX_TicksPerSecond
239#endif
240
241/*
242 * We wrapped the select() call.  _MD_SELECT refers to the built-in,
243 * unwrapped version.
244 */
245#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
246
247#include <poll.h>
248#define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
249
250#ifdef HPUX11
251extern void _MD_hpux_map_sendfile_error(int err);
252#endif /* HPUX11 */
253
254#endif /* nspr_xhppa_defs_h___ */
255